Uses of Interface
org.apache.flink.table.types.inference.TypeStrategy

Packages that use TypeStrategy

Package	Description
org.apache.flink.table.functions
org.apache.flink.table.types.inference
org.apache.flink.table.types.inference.strategies

Uses of TypeStrategy in org.apache.flink.table.functions

Methods in org.apache.flink.table.functions that return TypeStrategy

Modifier and Type	Method	Description
static TypeStrategy	LegacyUserDefinedFunctionInference.getOutputTypeStrategy(ScalarFunction func)	Deprecated.

Methods in org.apache.flink.table.functions with parameters of type TypeStrategy

Modifier and Type	Method	Description
BuiltInFunctionDefinition.Builder	BuiltInFunctionDefinition.Builder.outputTypeStrategy(TypeStrategy outputTypeStrategy)

Uses of TypeStrategy in org.apache.flink.table.types.inference

Fields in org.apache.flink.table.types.inference declared as TypeStrategy

Modifier and Type	Field	Description
static TypeStrategy	TypeStrategies.COMMON	Type strategy that returns a common, least restrictive type of all arguments.
static TypeStrategy	TypeStrategies.MISSING	Placeholder for a missing type strategy.

Methods in org.apache.flink.table.types.inference that return TypeStrategy

Modifier and Type	Method	Description
static TypeStrategy	TypeStrategies.aggArg0(Function<LogicalType,LogicalType> aggType, boolean nullableIfGroupingEmpty)	Type strategy specific for aggregations that partially produce different nullability depending whether the result is grouped or not.
static TypeStrategy	TypeStrategies.argument(int pos)	Type strategy that returns the n-th input argument.
static TypeStrategy	TypeStrategies.argument(int pos, Function<DataType,Optional<DataType>> mapper)	Type strategy that returns the n-th input argument, mapping it.
static TypeStrategy	TypeStrategies.commonRange(ArgumentCount argumentRange)	Type strategy that returns a common, least restrictive type of selected arguments.
static TypeStrategy	TypeStrategies.explicit(DataType dataType)	Type strategy that returns a fixed DataType.
static TypeStrategy	TypeStrategies.first(TypeStrategy... strategies)	Type strategy that returns the first type that could be inferred.
static TypeStrategy	TypeStrategies.forceNullable(TypeStrategy initialStrategy)	Type strategy which forces the given {@param initialStrategy} to be nullable.
TypeStrategy	TypeInference.getOutputTypeStrategy()
static TypeStrategy	TypeStrategies.mapping(Map<InputTypeStrategy,TypeStrategy> mappings)	Type strategy that maps an InputTypeStrategy to a TypeStrategy if the input strategy infers identical types.
static TypeStrategy	TypeStrategies.matchFamily(int argumentPos, LogicalTypeFamily family)	Type strategy that returns the given argument if it is of the same logical type family.
static TypeStrategy	TypeStrategies.nullableIfAllArgs(ConstantArgumentCount includedArgs, TypeStrategy initialStrategy)	A type strategy that can be used to make a result type nullable if all the selected input arguments are nullable.
static TypeStrategy	TypeStrategies.nullableIfAllArgs(TypeStrategy initialStrategy)	A type strategy that can be used to make a result type nullable if all the input arguments is nullable.
static TypeStrategy	TypeStrategies.nullableIfArgs(ConstantArgumentCount includedArgs, TypeStrategy initialStrategy)	A type strategy that can be used to make a result type nullable if any of the selected input arguments is nullable.
static TypeStrategy	TypeStrategies.nullableIfArgs(TypeStrategy initialStrategy)	A type strategy that can be used to make a result type nullable if any of the input arguments is nullable.
static TypeStrategy	TypeStrategies.varyingString(TypeStrategy initialStrategy)	A type strategy that ensures that the result type is either LogicalTypeRoot.VARCHAR or LogicalTypeRoot.VARBINARY from their corresponding non-varying roots.

Methods in org.apache.flink.table.types.inference that return types with arguments of type TypeStrategy

Modifier and Type	Method	Description
Optional<TypeStrategy>	TypeInference.getAccumulatorTypeStrategy()

Methods in org.apache.flink.table.types.inference with parameters of type TypeStrategy

Modifier and Type	Method	Description
TypeInference.Builder	TypeInference.Builder.accumulatorTypeStrategy(TypeStrategy accumulatorTypeStrategy)	Sets the strategy for inferring the intermediate accumulator data type of a function call.
static TypeStrategy	TypeStrategies.first(TypeStrategy... strategies)	Type strategy that returns the first type that could be inferred.
static TypeStrategy	TypeStrategies.forceNullable(TypeStrategy initialStrategy)	Type strategy which forces the given {@param initialStrategy} to be nullable.
static DataType	TypeInferenceUtil.inferOutputType(CallContext callContext, TypeStrategy outputTypeStrategy)	Infers an output type using the given TypeStrategy.
static TypeStrategy	TypeStrategies.nullableIfAllArgs(ConstantArgumentCount includedArgs, TypeStrategy initialStrategy)	A type strategy that can be used to make a result type nullable if all the selected input arguments are nullable.
static TypeStrategy	TypeStrategies.nullableIfAllArgs(TypeStrategy initialStrategy)	A type strategy that can be used to make a result type nullable if all the input arguments is nullable.
static TypeStrategy	TypeStrategies.nullableIfArgs(ConstantArgumentCount includedArgs, TypeStrategy initialStrategy)	A type strategy that can be used to make a result type nullable if any of the selected input arguments is nullable.
static TypeStrategy	TypeStrategies.nullableIfArgs(TypeStrategy initialStrategy)	A type strategy that can be used to make a result type nullable if any of the input arguments is nullable.
TypeInference.Builder	TypeInference.Builder.outputTypeStrategy(TypeStrategy outputTypeStrategy)	Sets the strategy for inferring the final output data type of a function call.
static TypeStrategy	TypeStrategies.varyingString(TypeStrategy initialStrategy)	A type strategy that ensures that the result type is either LogicalTypeRoot.VARCHAR or LogicalTypeRoot.VARBINARY from their corresponding non-varying roots.

Method parameters in org.apache.flink.table.types.inference with type arguments of type TypeStrategy

Modifier and Type	Method	Description
static TypeStrategy	TypeStrategies.mapping(Map<InputTypeStrategy,TypeStrategy> mappings)	Type strategy that maps an InputTypeStrategy to a TypeStrategy if the input strategy infers identical types.

Uses of TypeStrategy in org.apache.flink.table.types.inference.strategies

Classes in org.apache.flink.table.types.inference.strategies that implement TypeStrategy

Modifier and Type	Class	Description
class	ArgumentMappingTypeStrategy	Type strategy that returns the n-th input argument, mapping it with the provided function.
class	ArrayAppendPrependTypeStrategy	Type strategy that returns a DataTypes.ARRAY(DataType) with element type equal to the type of the first argument if it's not nullable or element to add is not nullable, otherwise it returns DataTypes.ARRAY(DataType) with type equal to the type of the element to add to array.
class	ArrayElementTypeStrategy	Returns the element of an LogicalTypeFamily.COLLECTION type.
class	CollectTypeStrategy	Type strategy that returns a DataTypes.MULTISET(DataType) with element type equal to the type of the first argument.
class	CommonTypeStrategy	Type strategy that returns a common, least restrictive type of selected arguments.
class	ExplicitTypeStrategy	Type strategy that returns a fixed DataType.
class	FirstTypeStrategy	Type strategy that returns the first type that could be inferred.
class	ForceNullableTypeStrategy	Forces a given type strategy to be nullable.
class	HiveAggDecimalPlusTypeStrategy	Type strategy that returns the result type of a decimal addition, used internally for implementing native SUM/AVG aggregations on a Decimal type.
class	ItemAtTypeStrategy	An output type strategy for BuiltInFunctionDefinitions.AT.
class	MappingTypeStrategy	Type strategy that maps an InputTypeStrategy to a TypeStrategy if the input strategy infers compatible types.
class	MatchFamilyTypeStrategy	Type strategy that returns the given argument if it is of the same logical type family.
class	MissingTypeStrategy	Placeholder for a missing type strategy.
class	NullableIfArgsTypeStrategy	A type strategy that can be used to make a result type nullable if any or all of the selected input arguments are nullable.
class	RowtimeTypeStrategy	Type strategy for BuiltInFunctionDefinitions.ROWTIME which mirrors the type of the passed rowtime column, but returns LogicalTypeRoot.TIMESTAMP_WITHOUT_TIME_ZONE for a BATCH mode.
class	ToTimestampLtzTypeStrategy	Type strategy of TO_TIMESTAMP_LTZ.
class	VaryingStringTypeStrategy	A type strategy that ensures that the result type is either LogicalTypeRoot.VARCHAR or LogicalTypeRoot.VARBINARY from their corresponding non-varying roots.

Fields in org.apache.flink.table.types.inference.strategies declared as TypeStrategy

Modifier and Type	Field	Description
static TypeStrategy	SpecificTypeStrategies.AGG_DECIMAL_PLUS	See AggDecimalPlusTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.ARRAY	See ArrayTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.ARRAY_APPEND_PREPEND	See ArrayAppendPrependTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.ARRAY_ELEMENT	Type strategy specific for array element.
static TypeStrategy	SpecificTypeStrategies.COLLECT	See CollectTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.CURRENT_WATERMARK	See CurrentWatermarkTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.DECIMAL_DIVIDE	See DecimalDivideTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.DECIMAL_MOD	See DecimalModTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.DECIMAL_PLUS	See DecimalPlusTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.DECIMAL_SCALE_0	See DecimalScale0TypeStrategy.
static TypeStrategy	SpecificTypeStrategies.DECIMAL_TIMES	See DecimalTimesTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.GET	See GetTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.HIVE_AGG_DECIMAL_PLUS	See HiveAggDecimalPlusTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.IF_NULL	See IfNullTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.INTERNAL_REPLICATE_ROWS	See InternalReplicateRowsTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.ITEM_AT
static TypeStrategy	SpecificTypeStrategies.MAP	See MapTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.MAP_ENTRIES	Type strategy specific for BuiltInFunctionDefinitions.MAP_ENTRIES.
static TypeStrategy	SpecificTypeStrategies.MAP_FROM_ARRAYS	Type strategy specific for BuiltInFunctionDefinitions.MAP_FROM_ARRAYS.
static TypeStrategy	SpecificTypeStrategies.MAP_KEYS	Type strategy specific for BuiltInFunctionDefinitions.MAP_KEYS.
static TypeStrategy	SpecificTypeStrategies.MAP_VALUES	Type strategy specific for BuiltInFunctionDefinitions.MAP_VALUES.
static TypeStrategy	SpecificTypeStrategies.PERCENTILE	Type strategy specific for BuiltInFunctionDefinitions.PERCENTILE.
static TypeStrategy	SpecificTypeStrategies.ROUND	See RoundTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.ROW	See RowTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.ROWTIME	See RowtimeTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.SOURCE_WATERMARK	See SourceWatermarkTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.STRING_CONCAT	See StringConcatTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.TO_TIMESTAMP_LTZ	See ToTimestampLtzTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.UNUSED	See UnusedTypeStrategy.

Constructors in org.apache.flink.table.types.inference.strategies with parameters of type TypeStrategy

Constructor	Description
ForceNullableTypeStrategy(TypeStrategy initialStrategy)
NullableIfArgsTypeStrategy(ConstantArgumentCount includedArguments, TypeStrategy initialStrategy, boolean nullableIfAllArgsNullable)
VaryingStringTypeStrategy(TypeStrategy initialStrategy)

Constructor parameters in org.apache.flink.table.types.inference.strategies with type arguments of type TypeStrategy

Constructor	Description
FirstTypeStrategy(List<? extends TypeStrategy> typeStrategies)
MappingTypeStrategy(Map<InputTypeStrategy,TypeStrategy> mappings)